View source for 3ccc


==Crystal Structure of Human DPP4 in complex with a benzimidazole derivative==
<StructureSection load='3ccc' size='340' side='right'caption='[[3ccc]], [[Resolution|resolution]] 2.71&Aring;' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>[[3ccc]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3CCC OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3CCC FirstGlance]. <br>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=7AC:7-(AMINOMETHYL)-6-(2-CHLOROPHENYL)-1-METHYL-1H-BENZIMIDAZOLE-5-CARBONITRILE'>7AC</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene></td></tr>
<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat"><div style='overflow: auto; max-height: 3em;'>[[3ccb|3ccb]]</div></td></tr>
<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">DPP4, ADCP2, CD26 ([https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 Homo sapiens])</td></tr>
<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[https://en.wikipedia.org/wiki/Dipeptidyl-peptidase_IV Dipeptidyl-peptidase IV], with EC number [https://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.4.14.5 3.4.14.5] </span></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=3ccc FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3ccc OCA], [https://pdbe.org/3ccc PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3ccc RCSB], [https://www.ebi.ac.uk/pdbsum/3ccc PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3ccc ProSAT]</span></td></tr>
</table>
== Function ==
[[https://www.uniprot.org/uniprot/DPP4_HUMAN DPP4_HUMAN]] Cell surface glycoprotein receptor involved in the costimulatory signal essential for T-cell receptor (TCR)-mediated T-cell activation. Acts as a positive regulator of T-cell coactivation, by binding at least ADA, CAV1, IGF2R, and PTPRC. Its binding to CAV1 and CARD11 induces T-cell proliferation and NF-kappa-B activation in a T-cell receptor/CD3-dependent manner. Its interaction with ADA also regulates lymphocyte-epithelial cell adhesion. In association with FAP is involved in the pericellular proteolysis of the extracellular matrix (ECM), the migration and invasion of endothelial cells into the ECM. May be involved in the promotion of lymphatic endothelial cells adhesion, migration and tube formation. When overexpressed, enhanced cell proliferation, a process inhibited by GPC3. Acts also as a serine exopeptidase with a dipeptidyl peptidase activity that regulates various physiological processes by cleaving peptides in the circulation, including many chemokines, mitogenic growth factors, neuropeptides and peptide hormones. Removes N-terminal dipeptides sequentially from polypeptides having unsubstituted N-termini provided that the penultimate residue is proline.<ref>PMID:10951221</ref> <ref>PMID:17549790</ref> <ref>PMID:10570924</ref> <ref>PMID:10900005</ref> <ref>PMID:11772392</ref> <ref>PMID:14691230</ref> <ref>PMID:16651416</ref> <ref>PMID:17287217</ref> <ref>PMID:18708048</ref>  
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
  <jmolCheckbox>
    <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/cc/3ccc_consurf.spt"</scriptWhenChecked>
    <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
    <text>to colour the structure by Evolutionary Conservation</text>
  </jmolCheckbox>
</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/main_output.php?pdb_ID=3ccc ConSurf].
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
A novel series of non-covalent, benzimidazole-based inhibitors of DPP-4 has been developed from a small fragment hit using structure-based drug design. A highly versatile synthetic route was created for the development of SAR, which led to the discovery of potent and selective inhibitors with excellent pharmaceutical properties.

Structure-based design and synthesis of benzimidazole derivatives as dipeptidyl peptidase IV inhibitors.,Wallace MB, Feng J, Zhang Z, Skene RJ, Shi L, Caster CL, Kassel DB, Xu R, Gwaltney SL 2nd Bioorg Med Chem Lett. 2008 Apr 1;18(7):2362-7. Epub 2008 Mar 4. PMID:18346892<ref>PMID:18346892</ref>

From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 3ccc" style="background-color:#fffaf0;"></div>

==See Also==
*[[Dipeptidyl peptidase 3D structures|Dipeptidyl peptidase 3D structures]]
== References ==
<references/>
__TOC__
</StructureSection>
[[Category: Dipeptidyl-peptidase IV]]
[[Category: Homo sapiens]]
[[Category: Large Structures]]
[[Category: Skene, R J]]
[[Category: Wallace, M B]]
[[Category: Aminopeptidase]]
[[Category: Denzimidazole derivative]]
[[Category: Glycoprotein]]
[[Category: Hydrolase]]
[[Category: Membrane]]
[[Category: Peptidase]]
[[Category: Protease]]
[[Category: Secreted]]
[[Category: Serine protease]]
[[Category: Signal-anchor]]
[[Category: Structure-based design]]
[[Category: Transmembrane]]